This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
/
SDL_cocoawindow.m
640 lines (548 loc) · 18.2 KB
1
2
/*
SDL - Simple DirectMedia Layer
3
Copyright (C) 1997-2009 Sam Lantinga
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Sam Lantinga
slouken@libsdl.org
*/
#include "SDL_config.h"
#include "SDL_syswm.h"
#include "../SDL_sysvideo.h"
#include "../../events/SDL_keyboard_c.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_windowevents_c.h"
#include "SDL_cocoavideo.h"
static __inline__ void ConvertNSRect(NSRect *r)
{
r->origin.y = CGDisplayPixelsHigh(kCGDirectMainDisplay) - r->origin.y - r->size.height;
}
@implementation Cocoa_WindowListener
- (void)listen:(SDL_WindowData *)data
{
NSNotificationCenter *center;
_data = data;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:self];
if ([_data->window delegate] != nil) {
[center addObserver:self selector:@selector(windowDisExpose:) name:NSWindowDidExposeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMove:) name:NSWindowDidMoveNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResize:) name:NSWindowDidResizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidMiniaturize:) name:NSWindowDidMiniaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidDeminiaturize:) name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidBecomeKey:) name:NSWindowDidBecomeKeyNotification object:_data->window];
[center addObserver:self selector:@selector(windowDidResignKey:) name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:self];
}
[center addObserver:self selector:@selector(windowDidHide:) name:NSApplicationDidHideNotification object:NSApp];
[center addObserver:self selector:@selector(windowDidUnhide:) name:NSApplicationDidUnhideNotification object:NSApp];
[_data->window setAcceptsMouseMovedEvents:YES];
}
- (void)close
{
NSNotificationCenter *center;
center = [NSNotificationCenter defaultCenter];
[_data->window setNextResponder:nil];
if ([_data->window delegate] != self) {
[center removeObserver:self name:NSWindowDidExposeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMoveNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidMiniaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidDeminiaturizeNotification object:_data->window];
[center removeObserver:self name:NSWindowDidBecomeKeyNotification object:_data->window];
[center removeObserver:self name:NSWindowDidResignKeyNotification object:_data->window];
} else {
[_data->window setDelegate:nil];
}
[center removeObserver:self name:NSApplicationDidHideNotification object:NSApp];
[center removeObserver:self name:NSApplicationDidUnhideNotification object:NSApp];
}
- (BOOL)windowShouldClose:(id)sender
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_CLOSE, 0, 0);
return NO;
}
- (void)windowDidExpose:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_EXPOSED, 0, 0);
}
- (void)windowDidMove:(NSNotification *)aNotification
{
int x, y;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
ConvertNSRect(&rect);
103
104
x = (int)rect.origin.x;
y = (int)rect.origin.y;
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MOVED, x, y);
}
- (void)windowDidResize:(NSNotification *)aNotification
{
int w, h;
NSRect rect = [_data->window contentRectForFrameRect:[_data->window frame]];
w = (int)rect.size.width;
h = (int)rect.size.height;
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESIZED, w, h);
}
- (void)windowDidMiniaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_MINIMIZED, 0, 0);
}
- (void)windowDidDeminiaturize:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_RESTORED, 0, 0);
}
- (void)windowDidBecomeKey:(NSNotification *)aNotification
{
129
130
int index;
131
/* We're going to get keyboard events, since we're key. */
132
133
index = _data->videodata->keyboard;
SDL_SetKeyboardFocus(index, _data->windowID);
134
135
136
137
}
- (void)windowDidResignKey:(NSNotification *)aNotification
{
138
int index;
139
140
141
142
143
144
145
146
SDL_Mouse *mouse;
/* Some other window will get mouse events, since we're not key. */
index = _data->videodata->mouse;
mouse = SDL_GetMouse(index);
if (mouse->focus == _data->windowID) {
SDL_SetMouseFocus(index, 0);
}
147
148
/* Some other window will get keyboard events, since we're not key. */
149
150
index = _data->videodata->keyboard;
SDL_SetKeyboardFocus(index, 0);
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
}
- (void)windowDidHide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_HIDDEN, 0, 0);
}
- (void)windowDidUnhide:(NSNotification *)aNotification
{
SDL_SendWindowEvent(_data->windowID, SDL_WINDOWEVENT_SHOWN, 0, 0);
}
- (void)mouseDown:(NSEvent *)theEvent
{
int index;
166
int button;
167
168
index = _data->videodata->mouse;
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_PRESSED, button);
184
185
186
187
}
- (void)rightMouseDown:(NSEvent *)theEvent
{
188
[self mouseDown:theEvent];
189
190
191
192
}
- (void)otherMouseDown:(NSEvent *)theEvent
{
193
[self mouseDown:theEvent];
194
195
196
197
198
}
- (void)mouseUp:(NSEvent *)theEvent
{
int index;
199
int button;
200
201
index = _data->videodata->mouse;
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
switch ([theEvent buttonNumber]) {
case 0:
button = SDL_BUTTON_LEFT;
break;
case 1:
button = SDL_BUTTON_RIGHT;
break;
case 2:
button = SDL_BUTTON_MIDDLE;
break;
default:
button = [theEvent buttonNumber];
break;
}
SDL_SendMouseButton(index, SDL_RELEASED, button);
217
218
219
220
}
- (void)rightMouseUp:(NSEvent *)theEvent
{
221
[self mouseUp:theEvent];
222
223
224
225
}
- (void)otherMouseUp:(NSEvent *)theEvent
{
226
[self mouseUp:theEvent];
227
228
229
230
}
- (void)mouseMoved:(NSEvent *)theEvent
{
231
SDL_Window *window = SDL_GetWindowFromID(_data->windowID);
232
233
234
235
236
237
int index;
SDL_Mouse *mouse;
NSPoint point;
index = _data->videodata->mouse;
mouse = SDL_GetMouse(index);
238
239
point = [theEvent locationInWindow];
point.y = window->h - point.y;
240
241
if ( point.x < 0 || point.x >= window->w ||
point.y < 0 || point.y >= window->h ) {
242
243
244
245
246
247
248
if (mouse->focus != 0) {
SDL_SetMouseFocus(index, 0);
}
} else {
if (mouse->focus != _data->windowID) {
SDL_SetMouseFocus(index, _data->windowID);
}
249
SDL_SendMouseMotion(index, 0, (int)point.x, (int)point.y, 0);
250
}
251
252
}
253
254
255
256
257
- (void)mouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
258
259
260
261
262
263
264
265
266
267
- (void)rightMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
- (void)otherMouseDragged:(NSEvent *)theEvent
{
[self mouseMoved:theEvent];
}
268
269
- (void)scrollWheel:(NSEvent *)theEvent
{
270
271
272
int index;
index = _data->videodata->mouse;
273
SDL_SendMouseWheel(index, (int)([theEvent deltaX]+0.9f), (int)([theEvent deltaY]+0.9f));
274
275
276
277
}
@end
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
@interface SDLWindow : NSWindow
/* These are needed for borderless/fullscreen windows */
- (BOOL)canBecomeKeyWindow;
- (BOOL)canBecomeMainWindow;
@end
@implementation SDLWindow
- (BOOL)canBecomeKeyWindow
{
return YES;
}
- (BOOL)canBecomeMainWindow
{
return YES;
}
@end
296
static int
297
SetupWindowData(_THIS, SDL_Window * window, NSWindow *nswindow, SDL_bool created)
298
299
{
NSAutoreleasePool *pool;
300
SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
301
302
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
SDL_DisplayData *displaydata = (SDL_DisplayData *) display->driverdata;
303
304
305
306
307
308
309
310
311
312
313
SDL_WindowData *data;
/* Allocate the window data */
data = (SDL_WindowData *) SDL_malloc(sizeof(*data));
if (!data) {
SDL_OutOfMemory();
return -1;
}
data->windowID = window->id;
data->window = nswindow;
data->created = created;
314
data->display = displaydata->display;
315
data->videodata = videodata;
316
317
318
319
320
321
322
323
324
pool = [[NSAutoreleasePool alloc] init];
/* Create an event listener for the window */
data->listener = [[Cocoa_WindowListener alloc] init];
[data->listener listen:data];
/* Fill in the SDL window with the window data */
{
325
SDL_Rect bounds;
326
327
NSRect rect = [nswindow contentRectForFrameRect:[nswindow frame]];
ConvertNSRect(&rect);
328
329
330
Cocoa_GetDisplayBounds(_this, display, &bounds);
window->x = (int)rect.origin.x - bounds.x;
window->y = (int)rect.origin.y - bounds.y;
331
332
333
334
335
336
337
338
339
340
341
window->w = (int)rect.size.width;
window->h = (int)rect.size.height;
}
if ([nswindow isVisible]) {
window->flags |= SDL_WINDOW_SHOWN;
} else {
window->flags &= ~SDL_WINDOW_SHOWN;
}
{
unsigned int style = [nswindow styleMask];
342
if ((style & ~NSResizableWindowMask) == NSBorderlessWindowMask) {
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
window->flags |= SDL_WINDOW_BORDERLESS;
} else {
window->flags &= ~SDL_WINDOW_BORDERLESS;
}
if (style & NSResizableWindowMask) {
window->flags |= SDL_WINDOW_RESIZABLE;
} else {
window->flags &= ~SDL_WINDOW_RESIZABLE;
}
}
if ([nswindow isZoomed]) {
window->flags |= SDL_WINDOW_MAXIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MAXIMIZED;
}
if ([nswindow isMiniaturized]) {
window->flags |= SDL_WINDOW_MINIMIZED;
} else {
window->flags &= ~SDL_WINDOW_MINIMIZED;
}
if ([nswindow isKeyWindow]) {
int index = data->videodata->keyboard;
window->flags |= SDL_WINDOW_INPUT_FOCUS;
SDL_SetKeyboardFocus(index, data->windowID);
if (window->flags & SDL_WINDOW_INPUT_GRABBED) {
/* FIXME */
}
}
/* All done! */
[pool release];
window->driverdata = data;
return 0;
}
int
Cocoa_CreateWindow(_THIS, SDL_Window * window)
{
382
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
383
NSWindow *nswindow;
384
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
385
NSRect rect;
386
SDL_Rect bounds;
387
388
unsigned int style;
NSString *title;
389
int status;
390
391
Cocoa_GetDisplayBounds(_this, display, &bounds);
392
393
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->x == SDL_WINDOWPOS_CENTERED) {
394
395
396
397
rect.origin.x = bounds.x + (bounds.w - window->w) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
rect.origin.x = bounds.x;
} else {
398
rect.origin.x = bounds.x + window->x;
399
}
400
401
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->y == SDL_WINDOWPOS_CENTERED) {
402
403
404
405
rect.origin.y = bounds.y + (bounds.h - window->h) / 2;
} else if (window->x == SDL_WINDOWPOS_UNDEFINED) {
rect.origin.y = bounds.y;
} else {
406
rect.origin.y = bounds.y + window->y;
407
408
409
410
411
412
413
414
415
416
417
418
419
420
}
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
if (window->flags & SDL_WINDOW_BORDERLESS) {
style = NSBorderlessWindowMask;
} else {
style = (NSTitledWindowMask|NSClosableWindowMask|NSMiniaturizableWindowMask);
}
if (window->flags & SDL_WINDOW_RESIZABLE) {
style |= NSResizableWindowMask;
}
421
422
423
424
/* Figure out which screen to place this window */
NSArray *screens = [NSScreen screens];
NSScreen *screen = nil;
NSScreen *candidate;
425
426
int i, count = [screens count];
for (i = 0; i < count; ++i) {
427
candidate = [screens objectAtIndex:i];
428
429
430
431
432
433
434
435
436
437
438
NSRect screenRect = [candidate frame];
if (rect.origin.x >= screenRect.origin.x &&
rect.origin.x < screenRect.origin.x + screenRect.size.width &&
rect.origin.y >= screenRect.origin.y &&
rect.origin.y < screenRect.origin.y + screenRect.size.height) {
screen = candidate;
rect.origin.x -= screenRect.origin.x;
rect.origin.y -= screenRect.origin.y;
}
}
nswindow = [[SDLWindow alloc] initWithContentRect:rect styleMask:style backing:NSBackingStoreBuffered defer:FALSE screen:screen];
439
440
441
[pool release];
442
if (SetupWindowData(_this, window, nswindow, SDL_TRUE) < 0) {
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
[nswindow release];
return -1;
}
return 0;
}
int
Cocoa_CreateWindowFrom(_THIS, SDL_Window * window, const void *data)
{
NSAutoreleasePool *pool;
NSWindow *nswindow = (NSWindow *) data;
NSString *title;
int status;
pool = [[NSAutoreleasePool alloc] init];
/* Query the title from the existing window */
title = [nswindow title];
if (title) {
window->title = SDL_strdup([title UTF8String]);
}
[pool release];
467
return SetupWindowData(_this, window, nswindow, SDL_FALSE);
468
469
470
471
472
}
void
Cocoa_SetWindowTitle(_THIS, SDL_Window * window)
{
473
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
474
475
476
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSString *string;
477
478
479
480
481
if(window->title) {
string = [[NSString alloc] initWithUTF8String:window->title];
} else {
string = [[NSString alloc] init];
}
482
483
[nswindow setTitle:string];
[string release];
484
485
[pool release];
486
487
488
489
490
}
void
Cocoa_SetWindowPosition(_THIS, SDL_Window * window)
{
491
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
492
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
493
SDL_VideoDisplay *display = SDL_GetDisplayFromWindow(window);
494
NSRect rect;
495
SDL_Rect bounds;
496
497
Cocoa_GetDisplayBounds(_this, display, &bounds);
498
499
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->x == SDL_WINDOWPOS_CENTERED) {
500
rect.origin.x = bounds.x + (bounds.w - window->w) / 2;
501
} else {
502
rect.origin.x = bounds.x + window->x;
503
504
505
}
if ((window->flags & SDL_WINDOW_FULLSCREEN)
|| window->y == SDL_WINDOWPOS_CENTERED) {
506
rect.origin.y = bounds.y + (bounds.h - window->h) / 2;
507
} else {
508
rect.origin.y = bounds.y + window->y;
509
}
510
511
512
513
514
rect.size.width = window->w;
rect.size.height = window->h;
ConvertNSRect(&rect);
rect = [nswindow frameRectForContentRect:rect];
[nswindow setFrameOrigin:rect.origin];
515
[pool release];
516
517
518
519
520
}
void
Cocoa_SetWindowSize(_THIS, SDL_Window * window)
{
521
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
522
523
524
525
526
527
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
NSSize size;
size.width = window->w;
size.height = window->h;
[nswindow setContentSize:size];
528
[pool release];
529
530
531
532
533
}
void
Cocoa_ShowWindow(_THIS, SDL_Window * window)
{
534
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
535
536
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
537
538
539
if (![nswindow isMiniaturized]) {
[nswindow makeKeyAndOrderFront:nil];
}
540
[pool release];
541
542
543
544
545
}
void
Cocoa_HideWindow(_THIS, SDL_Window * window)
{
546
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
547
548
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
549
550
[nswindow orderOut:nil];
[pool release];
551
552
553
554
555
}
void
Cocoa_RaiseWindow(_THIS, SDL_Window * window)
{
556
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
557
558
559
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
[nswindow makeKeyAndOrderFront:nil];
560
[pool release];
561
562
563
564
565
}
void
Cocoa_MaximizeWindow(_THIS, SDL_Window * window)
{
566
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
567
568
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
569
[nswindow zoom:nil];
570
[pool release];
571
572
573
574
575
}
void
Cocoa_MinimizeWindow(_THIS, SDL_Window * window)
{
576
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
577
578
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
579
[nswindow miniaturize:nil];
580
[pool release];
581
582
583
584
585
}
void
Cocoa_RestoreWindow(_THIS, SDL_Window * window)
{
586
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
587
588
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
589
590
591
592
593
594
if ([nswindow isMiniaturized]) {
[nswindow deminiaturize:nil];
} else if ([nswindow isZoomed]) {
[nswindow zoom:nil];
}
[pool release];
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
}
void
Cocoa_SetWindowGrab(_THIS, SDL_Window * window)
{
if ((window->flags & SDL_WINDOW_INPUT_GRABBED) &&
(window->flags & SDL_WINDOW_INPUT_FOCUS)) {
/* FIXME: Grab mouse */
} else {
/* FIXME: Release mouse */
}
}
void
Cocoa_DestroyWindow(_THIS, SDL_Window * window)
{
611
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
612
613
614
615
616
617
618
619
620
621
SDL_WindowData *data = (SDL_WindowData *) window->driverdata;
if (data) {
[data->listener close];
[data->listener release];
if (data->created) {
[data->window close];
}
SDL_free(data);
}
622
[pool release];
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
}
SDL_bool
Cocoa_GetWindowWMInfo(_THIS, SDL_Window * window, SDL_SysWMinfo * info)
{
NSWindow *nswindow = ((SDL_WindowData *) window->driverdata)->window;
if (info->version.major <= SDL_MAJOR_VERSION) {
//info->window = nswindow;
return SDL_TRUE;
} else {
SDL_SetError("Application not compiled with SDL %d.%d\n",
SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
return SDL_FALSE;
}
}
/* vi: set ts=4 sw=4 expandtab: */